EP3885463A4 - Steel for high-strength aluminum clad substrate and manufacturing method therefor - Google Patents

Steel for high-strength aluminum clad substrate and manufacturing method therefor Download PDF

Info

Publication number: EP3885463A4
Authority: EP; European Patent Office
Prior art keywords: steel; manufacturing; method therefor; strength aluminum; clad substrate
Prior art date: 2018-12-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP19902991.9A

Other languages

German (de)

French (fr)

Other versions

EP3885463A1 (en

Inventor

Fengming SONG

Wei Wang

Xiaoping Hu

Donghui WEN

Yunhua Liu

Junkai WANG

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Baoshan Iron and Steel Co Ltd

Original Assignee

Baoshan Iron and Steel Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-12-24

Filing date

2019-12-24

Publication date

2022-01-12

2019-12-24Application filed by Baoshan Iron and Steel Co LtdfiledCriticalBaoshan Iron and Steel Co Ltd

2021-09-29Publication of EP3885463A1publicationCriticalpatent/EP3885463A1/en

2022-01-12Publication of EP3885463A4publicationCriticalpatent/EP3885463A4/en

StatusPendinglegal-statusCriticalCurrent

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Pressure Welding/Diffusion-Bonding (AREA)
Heat Treatment Of Steel (AREA)
Laminated Bodies (AREA)
Metal Rolling (AREA)

EP19902991.9A2018-12-242019-12-24Steel for high-strength aluminum clad substrate and manufacturing method thereforPendingEP3885463A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CN201811580436.7ACN111349869B (en)	2018-12-24	2018-12-24	Steel for high-strength aluminum-coated substrate and manufacturing method thereof
PCT/CN2019/128006WO2020135438A1 (en)	2018-12-24	2019-12-24	Steel for high-strength aluminum clad substrate and manufacturing method therefor

Publications (2)

Publication Number	Publication Date
EP3885463A1 EP3885463A1 (en)	2021-09-29
EP3885463A4true EP3885463A4 (en)	2022-01-12

Family

ID=71127616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19902991.9APendingEP3885463A4 (en)	2018-12-24	2019-12-24	Steel for high-strength aluminum clad substrate and manufacturing method therefor

Country Status (5)

Country	Link
US (1)	US20220042134A1 (en)
EP (1)	EP3885463A4 (en)
KR (1)	KR102541740B1 (en)
CN (1)	CN111349869B (en)
WO (1)	WO2020135438A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114250411B (en)*	2020-09-25	2022-10-21	宝山钢铁股份有限公司	Steel for aluminum-coated plate with base plate for kitchen ware and production method thereof
CN118726832A (en)*	2023-03-30	2024-10-01	宝山钢铁股份有限公司	A steel for aluminum-clad plate strip substrate with a yield strength of 300 MPa and a production method thereof

Citations (3)

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CN101880819A (en)*	2010-06-11	2010-11-10	武汉钢铁(集团)公司	Steel-aluminum compound hot rolled steel with tensile strength of 340MPa and production method thereof
CN107881422A (en)*	2016-09-30	2018-04-06	宝山钢铁股份有限公司	One kind covers aluminium base steel and its production method
CN108796363A (en)*	2017-04-27	2018-11-13	宝山钢铁股份有限公司	The great surface quality for adapting to large deformation and punch process covers aluminum substrate steel and its production method

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CN108796384B (en)*	2017-04-27	2020-06-23	宝山钢铁股份有限公司	High-surface-quality aluminum-clad plate strip easy to punch and process and production method thereof

2018
- 2018-12-24CNCN201811580436.7Apatent/CN111349869B/enactiveActive
2019
- 2019-12-24USUS17/414,555patent/US20220042134A1/enactivePending
- 2019-12-24KRKR1020217022318Apatent/KR102541740B1/enactiveActive
- 2019-12-24WOPCT/CN2019/128006patent/WO2020135438A1/ennot_activeCeased
- 2019-12-24EPEP19902991.9Apatent/EP3885463A4/enactivePending

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CN101880819A (en)*	2010-06-11	2010-11-10	武汉钢铁(集团)公司	Steel-aluminum compound hot rolled steel with tensile strength of 340MPa and production method thereof
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CN108796363A (en)*	2017-04-27	2018-11-13	宝山钢铁股份有限公司	The great surface quality for adapting to large deformation and punch process covers aluminum substrate steel and its production method

Also Published As

Publication number	Publication date
KR102541740B1 (en)	2023-06-13
CN111349869B (en)	2021-10-22
WO2020135438A1 (en)	2020-07-02
CN111349869A (en)	2020-06-30
US20220042134A1 (en)	2022-02-10
EP3885463A1 (en)	2021-09-29
KR20210102421A (en)	2021-08-19

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Legal Events

Date	Code	Title	Description
2020-07-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text:STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-08-27	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text:ORIGINAL CODE: 0009012
2021-08-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text:STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-09-29	17P	Request for examination filed	Effective date:20210622
2021-09-29	AK	Designated contracting states	Kind code of ref document:A1 Designated state(s):AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-01-12	A4	Supplementary search report drawn up and despatched	Effective date:20211210
2022-01-12	RIC1	Information provided on ipc code assigned before grant	Ipc:C21D 1/60 20060101ALN20211206BHEP Ipc:C22C 33/04 20060101ALN20211206BHEP Ipc:C21D 9/46 20060101ALI20211206BHEP Ipc:C22C 38/00 20060101ALI20211206BHEP Ipc:B32B 15/01 20060101ALI20211206BHEP Ipc:C21D 8/02 20060101ALI20211206BHEP Ipc:C22C 38/14 20060101ALI20211206BHEP Ipc:C22C 38/06 20060101ALI20211206BHEP Ipc:C22C 38/04 20060101ALI20211206BHEP Ipc:C22C 38/02 20060101AFI20211206BHEP
2022-03-30	DAV	Request for validation of the european patent (deleted)
2022-03-30	DAX	Request for extension of the european patent (deleted)
2025-05-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text:STATUS: EXAMINATION IS IN PROGRESS
2025-06-25	17Q	First examination report despatched	Effective date:20250527

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